Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| batch_id | serial | 10 | √ | nextval('batch_batch_id_seq'::regclass) | 
                                        
  | 
                                    
                                         | 
                                    PK. Unique ID for a batch. Generated by the database.  | 
                                |||||||
| lab_id | int4 | 10 | √ | null | 
                                         | 
                                    
                                        
  | 
                                    FK. ID for the laboratory where the analysis was undertaken. Links to the institution table.  | 
                                |||||||
| lab_batch_id | varchar | 50 | √ | null | 
                                         | 
                                    
                                         | 
                                    The batch number issued by an analytical laboratory to identify the batch of samples, this will almost certainly be unique for each laboratory but may not be globally unique.  | 
                                |||||||
| end_date | date | 13 | √ | null | 
                                         | 
                                    
                                         | 
                                    Date of registration of the batch.  | 
                                |||||||
| timestamp_created | timestamptz | 35,6 | now() | 
                                         | 
                                    
                                         | 
                                    |||||||||
| timestamp_modified | timestamptz | 35,6 | √ | now() | 
                                         | 
                                    
                                         | 
                                    ||||||||
| batch_notes | varchar | 4000 | null | 
                                         | 
                                    
                                         | 
                                    Brief description of the batch  | 
                                ||||||||
| start_date | date | 13 | √ | null | 
                                         | 
                                    
                                         | 
                                    
Indexes
| Constraint Name | Type | Sort | Column(s) | 
|---|---|---|---|
| batch_id | Primary key | Asc | batch_id | 

